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Conclusions The 30 kW prototype of INCAR-CSIC has demonstrated the technical viability of the carbonate looping cycles, operating at conditions relatively close to those expected in a flue gas CFB carbonator. Modifications (in progress) are necessary in the rig to attain longer periods of stable operation. The carbonator reactor works “as expected”. A modeling exercise is required (in progress) for a better interpretation of results and scaling up.

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Acknowledgement This work has been conducted under a contract Hunosa-CSIC